Marina Hyde: First came the clothing range and the Bindi doll, then there was the essay for the US state. Now the late Steve Irwin's daughter is starring in a movie, proving there really is no end to her talents

If Lost in Showbiz had a favourite point in the news cycle, it would be the point at which we spin the globe to the land that culture forgot, and ask: "What's up with Steve Irwin's family?" Or should that be: "What's up with Steve Irwin's family, sport?" It's such a subtly inflected tongue, and I know we'd all hate to come across as unsophisticated.

Like those raddled old Floridian housewives who can't get enough of stories about JFK's doomed clan, Lost in Showbiz has become insanely obsessed with the family of Steve Irwin, the deceased crocodile larrikin. They are, as previously indicated, Australia's Kennedys.